#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>

int strl(char* a)
{
	int b = 0;
	while (*a != '\0')
	{
		a++;
		b++;
	}

	return b;
}

int mainsshx()
{
	char s[100];
	gets(s);
	printf("%d", strl (s));
	return 0;
}